A bulk carrier or bulker is a merchant ship specially designed to transport unpackaged bulk cargo—such as grain, coal, ore, steel coils, and cement—in its cargo holds. Since the first specialized bulk carrier was built in 1852, economic forces have led to increased size and sophistication of these ships. Today's bulk carriers are specially designed to maximize capacity, safety, efficiency, and durability.
Today, bulk carriers make up 21 percent of the world's merchant fleets, and they range in size from single-hold mini-bulk carriers to mammoth ore ships able to carry 400,000 metric tons of deadweight (DWT). A number of specialized designs exist: some can unload their own cargo, some depend on port facilities for unloading, and some even package the cargo as it is loaded. Over half of all bulk carriers have Greek, Japanese, or Chinese owners, and more than a quarter are registered in Panama. South Korea is the largest single builder of bulk carriers, and 82 percent of these ships were built in Asia. (Full article...)
Image 5Interior view of a high-speed bullet train, manufactured in China (from Rail transport)
Image 6A cast iron fishbelly edge rail manufactured by Outram at the Butterley Company for the Cromford and High Peak Railway in 1831; these are smooth edge rails for wheels with flanges. (from Rail transport)
Image 7The Lockheed SR-71 remains unsurpassed in many areas of performance. (from Aviation)
Image 10According to Eurostat and the European Railway Agency, the fatality risk for passengers and occupants on European railways is 28 times lower when compared with car usage (based on data by EU-27 member nations, 2008–2010). (from Rail transport)
Image 11Traffic congestion persists in São Paulo, Brazil, despite the no-drive days based on license numbers.
Image 12A prototype of a Ganz AC electric locomotive in Valtellina, Italy, 1901 (from Rail transport)
Image 13Swiss & German co-production: world's first functional diesel–electric railcar 1914 (from Rail transport)
Image 14European rail subsidies in euros per passenger-km for 2008 (from Rail transport)
Image 19The engineering of this roundabout in Bristol, United Kingdom, attempts to make traffic flow free-moving.
Image 20The Great North Road near High gate on the approach to London before turnpiking. The highway was deeply rutted and spread onto adjoining land. (from Road transport)
Image 21Customized motorcycle to maximize load capacity. Mobility is important for motorcycles, which are primarily used for transporting light cargo in urban areas. (from Transport)
Image 22Modes of road transport in Dublin, 1929 (from Road transport)
Image 23Arizona - North America - Southwest - Interstate Highway System (4893585908) (from Road transport)
Image 54A 16th-century mine-cart, an early example of un-powered rail transport, used man power to operate. (from Rail transport)
Image 55German soldiers in a railway car on the way to the front in August 1914. The message on the car reads Von München über Metz nach Paris ("From Munich via Metz to Paris"). (from Rail transport)
Image 59Bardon Hill box in England (seen here in 2009) is a Midland Railway box dating from 1899, although the original mechanical lever frame has been replaced by electrical switches. (from Rail transport)
Image 60The Cessna 172 is the most produced aircraft in history (from Aviation)
Image 61Tunnels, such as the Tampere Tunnel, allow traffic to pass underground or through rock formations. (from Transport)
Image 62A replica of a "Little Eaton Tramway" wagon, 1795; the tracks are plateways. (from Rail transport)
... that a section of Mississippi Highway 489 was designated as the Jason Boyd Memorial Highway to commemorate the MDOT superintendent who was killed while removing debris from the road?
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